Fountain-pen.



No. 673,451. Patented May 7, l90l.

E. REISERT.

FOUNTAIN PEN.

(Application filed Feb. 7, 1599i) & 545.2.

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EDUARD REISERT, OF HENNEF, GERMANY.

FOUNTAIN-PEN.

SPECIFICATION forming part of Letters Patent No. 673,451, dated May 7,1901.

Application filed February 7, 1899. Serial No. 704,842- (No model.)

ince of the Rhine, Kingdom of Prussia, German Empire, have invented newand useful Improvements in Fountain-Pens, of which the following is aspecification.

My invention relates to improvements in fountain-pens, and hasespecially in view to provide most simple means for conveying the inkfrom the reservoir to the pen and for controlling the supply of ink.

In order to make my invention more clear, I refer to the accompanyingdrawings, in which- Figure l is a vertical section of the fountain-penwhen in use. Fig. 2 is a vertical section of the same at the moment whenthe ink is conveyed to the pen.

The reservoir a for the ink is connected with the pen by means of therubber hose b.

Upon this rubber hose a pressing-piece 0,

provided with the projecting ends cl and e, is situated. Thispressing-piece is held in the position shown in Fig. l by means of theelastic ring f. In this position the projecting end 6 closes the hose bat g, while this hose at it, near the projecting end 6, is open. Thepressing-piece c is provided with a button ifor laying on the thumb ofthe writing-hand. This button '5 is situated nearer to the end d than tothe end 6. If now a pressure is applied to the button 7;, thecommunication of the hose b with the reservoir a is interrupted by theprojecting end 61 at h. At the same time the walls of the hose b arecompressed on that part upon which the pressing-piece c is situated, sothat the ink contained in this part of the hose b is forced to leave thesame. As now the button 2 is situated nearer to the end d than to theend a the pressure of the compressed ink is greater at 6 than at d, inconsequence whereof the ink flows through the opening at g to the pen.As by the pressure exercised upon the button 11 only the small quantityof ink contained in the part of the hose situated between the projectingends 61 and 6 can be conveyed to the ink and as at the same moment whenthe pressure ceases the hose bis closed again at 6, so that no more inkcan flow through it to the pen, the supply of ink is strictly regulated.

I am aware that prior to myinvention fountain-pens have been constructedin which the ink was conveyed to the pen by pressing upon a button. Itherefore do not claim this idea broadly; but

What I claim as my invention, and desire to secure by Letters Patent ofthe United States, is

1. In a fountain-pen the combination with a reservoir for the ink, arubber hose connecting this reservoir with the pen proper, of apressing-piece, provided with a pressingbutton and two projecting ends,adapted to alternately close and open the top and bottom part of therubber hose respectively, as and for the purpose set forth.

2. In a fountain-pen the combination with a reservoir for the ink, arubber hose connecting this reservoir with the pen proper, of apressing-piece, provided with a pressingbutton and two projecting ends,adapted to alternately close and open the top and bottom part of therubber hose respectively, and a ring for holding the pressing-piece inits position, as and for the purpose set forth.

In witness whereof I have hereunto set my hand in presence of twowitnesses.

EDUARD REISERT. Witnesses:

THEODOR HEESE, PAUL KUSSMAUL.

